How many calories are in C-rations? A Nutritional History
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                The calorie count of a day's worth of original C-rations, consisting of six cans, was approximately 2,794 kcal during World War II. Over their service life, the specific nutritional value of C-rations and their direct successor, the Meal, Combat, Individual (MCI), varied, reflecting changing military dietary requirements. These canned provisions were a crucial part of a soldier's sustenance in the field for decades.